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Blogs > loveisamyth > loveisamyth, stars are forever |
AFTER LAST WEEK'S "MASSIVE AURORAS," WHAT WILL THIS WEEK BRING? Arctic sky watchers are still buzzing about last week's 3-day outburst of Northern Lights. Many veteran observers ranked it as the brightest display they had seen in years. Photographer Ole Salomonsen was one of them. "On Friday, Oct. 9th, I was treated with perhaps the most massive aurora I have ever witnessed," he says. "They appeared right over my hometown, Tromsø, Norway." "The auroras were so strong that many of my shots were overexposed," he continues. "I had to continuously lower the exposure not to burn out the auroras. I have never in my life witnessed this amount of pink auroras, just MASSIVE!" The display was caused by shock waves from a CIR (co-rotating interaction region), which hit Earth on Oct. 7th, followed by a stream of high-speed solar wind on Oct. 8th and 9th. Strong geomagnetic storms sparked Northern Lights as far south as Virginia, USA. Another stream of solar wind is coming. ETA: Oct.12-13. Without another CIR to "pre-condition" Earth's magnetic field, however, this week's solar wind stream will probably have less effect. NOAA forecasters estimate a 60% chance of minor G1-class geomagnetic storms on Oct.12th. |
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